OpenTechnical

OT-2026-000018443

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, two stage ejector, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000018443) never changes.

Identity and time

Publication numberOT-2026-000018443 · never reused
Internal UUID01a0ae6e-b48a-7fdb-b46a-152e952423ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018443
StatusPUBLIC

Content hashes

Canonical text5efd78eedb1ad85657f73f6571acf72aa695c6b48ed9ff947d94d1f9010228b0
Markdown404a37162b216eea8f80f1b382e86d2ccda32f49bb872d737851095ba5a50299
PDF
Publication pagecdffdfb1133e5bff5be58580e11b164df8ab2f7ec30ff21e7e42a7089dd9da2b
Manifestda6329bfb567aea94588936f88d1061bd418d703c9f1a40fc0dc7e2bfe5801e2

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature2dPbge14vwLm8D90UWuvR0nD6pdDXyC791nd0nWv+xPJH5RjtKYv+T57LOGb12lp5ld+IdfmSK9nCb6vwh2LBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:01:11.829002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018443
observed cdffdfb1133e5bff5be58580e11b164d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:11.811202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018443/manifest.json
observed da6329bfb567aea94588936f88d1061b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:11.793234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018443/publication.md
observed 404a37162b216eea8f80f1b382e86d2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:11.777478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018443/publication.txt
observed 5efd78eedb1ad85657f73f6571acf72a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.